quarter in new york city. she married tom foley, her high school sweetheart, and began her life as a marine wife. nine years later, their daughter kathleen was born. life was good. but then, after 54 years of marriage, tom got sick. >> my husband died of lung cancer. and he went through chemo and radiation, and then more chemo and then more radiation. and he was sick and miserable frequently, if not most of that time. but because i saw how he suffered, i made up my mind, i... when it was my turn, i was going to make sure that i don't go that way. >> narrator: in 2006, joan got remarried to art butterstein, a 86-year-old widower. then, two years later, she found out that she too had lung cancer. >> i told them immediately. i said, "i have no intention of going through all the chemo. not at my age, and not with what i know is already wrong with my body. it's not going to make me have a lovely old life." all right, what about this? 34 down. >> "words seen in brackets." >> s-i-c, sic. >> a few months ago, she went to the doctor, and doctor said, "i think it might be time to sign up
